rcar-hpbdma: initialise plane information when halted

Plane information should be initialized when halted.
It may restart from the wrong plane without this patch.

Reviewed-by: Max Filippov <[email protected]>
Signed-off-by: Kuninori Morimoto <[email protected]>
Acked-by: Simon Horman <[email protected]>
Signed-off-by: Vinod Koul <[email protected]>

diff --git a/drivers/dma/sh/rcar-hpbdma.c b/drivers/dma/sh/rcar-hpbdma.c
index 83de1dbb7505e735e30e37595dbffa005815e62c..3083d901a414f000a54e0337e02973a4586399bf 100644 (file)
--- a/drivers/dma/sh/rcar-hpbdma.c
+++ b/drivers/dma/sh/rcar-hpbdma.c
@@ -287,6 +287,9 @@ static void hpb_dmae_halt(struct shdma_chan *schan)
 
        ch_reg_write(chan, HPB_DMAE_DCMDR_DQEND, HPB_DMAE_DCMDR);
        ch_reg_write(chan, HPB_DMAE_DSTPR_DMSTP, HPB_DMAE_DSTPR);
+
+       chan->plane_idx = 0;
+       chan->first_desc = true;
 }
 
 static const struct hpb_dmae_slave_config *